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Occlusion is defined as completely closing an orifice or the lumen of a tubular body part. The orifice can be natural or artificially created.
The objective of the occlusion procedure is to close off a tubular body part or orifice. It includes both intraluminal and extraluminal methods of closing off the body part. Dividing the tubular body part before closing is an integral part of the occlusion procedure.
The occlusion root operation is similar to restriction with the key difference being complete closure rather than partial closure.
Examples of occlusion procedures include fallopian tube ligation and ligation of inferior vena cava.
